janabeck/Annotald — comment on commit 4c0b52765d720e3c7565754f522a5a8565a01384
File: treedrawing/data/scripts/treedrawing.js line 1207
By aecay:

As far as I can see, you are making an unmodified copy of `vextensions` in `extgroups`, and not modifying the latter variable. So you should be able to get rid of this and just use `vextensions` directly.